Set of rings



FIG. 1 is a top plan view of one ring of the set of rings showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top perspective view thereof;

FIG. 6 is a top plan view of the set of rings; and,

FIG. 7 is a front and top perspective view thereof. 

The ornamental design for the set of rings, as shown and described. 